* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    background-image: linear-gradient(120deg, #e0c3fc 0%, #8ec5fc 100%);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}

img {
    width: 35px;
    height: 35px;
    margin-left: 10px;
    margin-right: 5px;
    /*设置圆角矩形 让头像变圆*/
    border-radius: 50%;
}

.container {
    width: 70%;
    /*减号两边必须要有空格*/
    height: calc(100% - 50px);
    background-color: rgba(255, 255, 255, 0.7);
    /*版心居中*/
    margin: 0 auto;

    border-radius: 10px;
    /*防止溢出 滚动条效果*/
    overflow: auto;
}

